/* 
 * Copyright 2011 kOSMik.
 * This file is part of kOSMik.
 * 
 * kOSMik is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * kOSMik is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with kOSMik.  If not, see <http://www.gnu.org/licenses/>.
 *  
 * kOSMik:
 * Open Street Map - Editor.
 * http://code.google.com/p/swp-dv-ws2010-osm-2/
 */

package de.fuberlin.kosmik.gui.view.adapter;

/**
 * Interface definition for a ViewHolder which is used in a
 * ListWithHeadersAdapter.
 * 
 * @author micha
 * 
 * @param <T> class of the objects in the adapter list.
 */
public interface ViewHolder<T> {
	/**
	 * Indicates whether the corresponding item in the adapter list is a header
	 * or not.
	 * 
	 * @return true if the corresponding item in the adapter list is a header,
	 *         else false.
	 */
	boolean isHeader();

	/**
	 * Returns the corresponding item in the adapter list.
	 * 
	 * @return corresponding item in the adapter list.
	 */
	T getItem();
}
